Home / 38,672,855.76-53,368,898.40-21,031,926.06

Finding the Fourth Proportional to 38,672,855.76, 53,368,898.40 and 21,031,926.06

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Solution

The fourth proportional to 38,672,855.76, 53,368,898.40 and 21,031,926.06 is: 29,024,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672,855.76 : 53,368,898.40 = 21,031,926.06 : x
  2. Step 2: Convert to fraction form
    38,672,855.76/53,368,898.40 = 21,031,926.06/x
  3. Step 3: Cross multiply
    38,672,855.76x = 53,368,898.40 × 21,031,926.06
  4. Step 4: Simplify right side
    38,672,855.76x = 1,122,450,725,052,452.25
  5. Step 5: Solve for x
    x = 1,122,450,725,052,452.25/38,672,855.76
  6. Step 6: Final answer
    x = 29,024,252.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.